A wooden bowl is in shape of a hollow hemisphere of internal radius 7 cm and thickness 1 cm. What is the total surface area (in sq.cm) of the bowl? (Take:  = 22/7)

A square is inscribed in a circle. If the side of the square is 14 cm, what is the area (in sq.cm) of the circle?

An angle is smaller than its supplementary by 30°. What is the measure of the angle?

If a merchant offers a discount of 4% on the list price, then she makes a loss of 10%. What % profit or % loss will she make if she sells at a discount of 20% of the list price?

What least number must be added to 1039, so that the sum obtained is completely divisible by 29?

Two students appeared for an examination. One of them secured 13 marks more than the other and his marks were 76% of the sum of their marks. The marks obtained by them are

The Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is

Reflection of the point (-3,6) in the x-axis is